#!/bin/sh # Copyright 1997, 1998 Patrick Volkerding, Moorhead, MN USA # Copyright 2002, 2004 Slackware Linux, Inc., Concord, CA USA # Copyright 2006, 2009, 2022 Patrick Volkerding, Sebeka, MN USA # All rights reserved. # # Redistribution and use of this script, with or without modification, is # permitted provided that the following conditions are met: # # 1. Redistributions of this script must retain the above copyright # notice, this list of conditions and the following disclaimer. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED # WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO # EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; # OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # CWD=$(pwd) # Breaking the help out into it's own deal usage() { echo "$0: Converts RPM format to standard GNU tar + GNU zip format." echo " (view converted packages with \"less\", install and remove" echo " with \"installpkg\", \"removepkg\", \"pkgtool\", or manually" echo " with \"tar\")" echo if [ "$(basename $0)" = "rpm2tgz" ]; then echo "Usage: $0 [OPTION] <file.rpm>" echo " (Outputs \"file.tgz\")" echo echo " -s extract the install scripts to /usr/doc/\$PRGNAM-\$VERSION/" echo " for review." echo " -S extracts the install scripts to be executed on package installation" echo " (only pre-install and post-install scripts used)" echo " USE WITH CAUTION! " echo " -n name the output package using the rpm's metadata" echo " -r extract what the rpm's \"requires\" (dependencies)" echo " as documention to /usr/doc/\$PRGNAM-\$VERSION/" echo " -d attempt a wellformed slack-desc from the rpm meta data" echo else echo "Usage: $0 <file.rpm>" echo " (Outputs \"file.tar.gz\")" fi exit 1; } # Create a new temporary directory with a secure filename: make_temp_dir() { if [ -x "$(which mcookie)" ]; then tempd=/tmp/tmp.$(mcookie) mkdir -p -m 0755 $tempd elif [ -x "$(which openssl)" ]; then tempd=/tmp/tmp.$(dd if=/dev/urandom bs=1k count=1 2> /dev/null | openssl dgst -md5) mkdir -p -m 0755 $tempd elif [ -x "$(which md5)" ]; then tempd=/tmp/tmp.$(dd if=/dev/urandom bs=1k count=1 2> /dev/null | md5) mkdir -p -m 0755 $tempd elif [ -x "$(which mktemp)" ]; then tempd=$(mktemp -d) chmod 755 $tempd ## Uncomment for insecure use, but don't blame me: #else # tempd=/tmp/tmp.$$ # mkdir -p -m 0755 $tempd fi if [ -d $tempd ]; then # success, return the name of the directory: echo $tempd else echo "ERROR: Could not find mcookie, openssl, or md5." echo " Exiting since a secure temporary directory could not be made." exit 1 fi } # Get the meta data off of the rpm get_meta_data() { RPM=$1 PRGNAM=$(rpm -qp --qf %{NAME} $RPM ) ARCH=$(rpm -qp --qf %{ARCH} $RPM ) VERSION=$(rpm -qp --qf %{VERSION} $RPM ) BUILD=$(rpm -qp --qf %{RELEASE} $RPM ) } if [ "$1" = "" ]; then usage fi ARGS=$(getopt "hsSndr" $* ) set -- ${ARGS} for i; do case "$1" in -s) DOC_SCRIPTS="true" shift ;; -S) INSTALL_SCRIPTS="true" shift ;; -r) DOC_REQUIRES="true" shift ;; -d) DESC="true" shift ;; -n) META_NAME="true" shift ;; --) shift break ;; esac done for i in $* ; do # Determine if this is a source or binary RPM. # If we have getrpmtype, use that. Otherwise, try "file". if which getrpmtype 1> /dev/null 2> /dev/null; then if getrpmtype -n $i | grep source 1> /dev/null 2> /dev/null ; then isSource=1 else isSource=0 fi else # use file. This works fine on Slackware, and is the default. if file $i | grep RPM | grep -w src 1> /dev/null 2> /dev/null ; then isSource=1 else isSource=0 fi fi # Create a temporary directory: TMPDIR=$(make_temp_dir) # Extract the RPM: ofn=$TMPDIR/$(basename $i .rpm).cpio if which rpm2cpio 1> /dev/null 2> /dev/null ; then rpm2cpio $i > $ofn 2> /dev/null if [ ! $? = 0 ]; then echo "ERROR: rpm2cpio failed. (maybe $i is not an RPM?)" rm -rf $TMPDIR continue fi else # less reliable than rpm2cpio... ( dd ibs=$(rpmoffset < $i) skip=1 if=$i 2> /dev/null | gzip -dc > $ofn 2>/dev/null ) || \ ( dd ibs=$(rpmoffset < $i) skip=1 if=$i 2> /dev/null | bzip2 -dc > $ofn 2>/dev/null ) fi DEST=$TMPDIR if [ "$isSource" = "1" ]; then DEST=$DEST/$(basename $(basename $i .rpm) .src) fi mkdir -p $DEST ( cd $DEST cpio -i -m -d < $ofn 1> /dev/null 2> /dev/null rm -f $ofn find . -type d -perm 700 -exec chmod 755 {} \; ) # Save the scripts in the rpm as documentation if [ "$DOC_SCRIPTS" = "true" ]; then get_meta_data $i mkdir -p $TMPDIR/usr/doc/$PRGNAM-$VERSION/ for state in PREIN POSTIN PREUN POSTUN ; do if [ "$(rpm -qp --qf %{$state} $i )" != '(none)' ] ; then rpm -qp --qf %{$state} $i > $TMPDIR/usr/doc/$PRGNAM-$VERSION/$state.script fi done fi # Save the scripts in the rpm to be installed if [ "$INSTALL_SCRIPTS" = "true" ]; then mkdir -p $TMPDIR/install echo '#!/bin/sh' > $TMPDIR/install/doinst.sh for state in PREIN POSTIN ; do if [ "$(rpm -qp --qf %{$state} $i )" != '(none)' ] ; then rpm -qp --qf %{$state} $i > $TMPDIR/install/doinst.sh echo "" >> $TMPDIR/install/doinst.sh fi done fi # Save the rpm's requires (dependencies) as documentation if [ "$DOC_REQUIRES" = "true" ]; then get_meta_data $i mkdir -p $TMPDIR/usr/doc/$PRGNAM-$VERSION/ rpm -qp --qf %{REQUIRES} $i > $TMPDIR/usr/doc/$PRGNAM-$VERSION/README-$PRGNAM-rpm-dependencies.txt fi # Save the rpm's summary and description as the slack-desc if [ "$DESC" = "true" ]; then mkdir -p $TMPDIR/install rpm -qp --qf %{SUMMARY} $i | sed -l 70 -r "s/^(.*)/$PRGNAM: $PRGNAM - \1\n/" > $TMPDIR/install/slack-desc rpm -qp --qf %{DESCRIPTION} $i | sed -l 70 -r "s/^/$PRGNAM: /" >> $TMPDIR/install/slack-desc fi # If this program was called as "rpm2targz", then repack as a plain # tar+gz archive. If it was called as "rpm2tgz", use Slackware's # makepkg to produce the .tgz: if [ "$(basename $0)" = "rpm2tgz" ]; then ( cd $TMPDIR if [ "$META_NAME" = "true" ]; then get_meta_data $CWD/$i makepkg -l y -c n $CWD/$PRGNAM-$VERSION-$ARCH-${BUILD}.tgz else makepkg -l y -c n $CWD/$(basename $i .rpm).tgz fi ) else ( cd $TMPDIR ; tar cf - . ) > $(basename $i .rpm).tar gzip -9 $(basename $i .rpm).tar fi # Remove temporary directory: rm -rf $TMPDIR done